Institution: | 1. Department of Physics, University of California, San Diego, La Jolla, CA, USA.;2. Center for Advanced Nanoscience, University of California, San Diego, CA, USA.;3. Condensed Matter and Magnet Science Group, Los Alamos National Laboratory, Los Alamos, NM, USA.;4. Center for Advanced Nanoscience, University of California, San Diego, CA, USA.;5. Materials Science and Engineering Program, University of California, San Diego, CA, USA.;6. Physics Department, Temple University, Philadelphia, PA, USA.;7. Institute for Materials Science, Los Alamos National Laboratory, Los Alamos, NM, USA.;8. Center for Quantum Materials, Nordic Institute for Theoretical Physics (NORDITA), Stockholm, Sweden. |